Finding the Fourth Proportional to 4,536,188.90, 6,801,920.97 and 2,139,389.99
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Solution
The fourth proportional to 4,536,188.90, 6,801,920.97 and 2,139,389.99 is: 3,207,970.82
Step by Step Solution
- Step 1: Write the proportion equation
4,536,188.90 : 6,801,920.97 = 2,139,389.99 : x - Step 2: Convert to fraction form
4,536,188.90/6,801,920.97 = 2,139,389.99/x - Step 3: Cross multiply
4,536,188.90x = 6,801,920.97 × 2,139,389.99 - Step 4: Simplify right side
4,536,188.90x = 14,551,961,601,979.48 - Step 5: Solve for x
x = 14,551,961,601,979.48/4,536,188.90 - Step 6: Final answer
x = 3,207,970.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.